Home / 72,356,652.54-99,852,811.16-39,316,901.58

Finding the Fourth Proportional to 72,356,652.54, 99,852,811.16 and 39,316,901.58

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Solution

The fourth proportional to 72,356,652.54, 99,852,811.16 and 39,316,901.58 is: 54,257,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,356,652.54 : 99,852,811.16 = 39,316,901.58 : x
  2. Step 2: Convert to fraction form
    72,356,652.54/99,852,811.16 = 39,316,901.58/x
  3. Step 3: Cross multiply
    72,356,652.54x = 99,852,811.16 × 39,316,901.58
  4. Step 4: Simplify right side
    72,356,652.54x = 3,925,903,148,667,461
  5. Step 5: Solve for x
    x = 3,925,903,148,667,461/72,356,652.54
  6. Step 6: Final answer
    x = 54,257,666.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.